public function store(Request $request)
 {
     $input = $request->all();
     $predictions = [];
     foreach ($input['home_score'] as $key => $score) {
         $predictions[$key]['home_score'] = $score;
     }
     foreach ($input['away_score'] as $key => $score) {
         $predictions[$key]['away_score'] = $score;
     }
     foreach ($input['fix_id'] as $key => $id) {
         $predictions[$key]['fixture_id'] = $id;
         $predictions[$key]['user_id'] = $this->user->id;
     }
     foreach ($predictions as $prediction) {
         $fxt = \App\Fixture::findOrFail($prediction['fixture_id']);
         if ($fxt->isClosed()) {
             continue;
         }
         $pred = \App\Prediction::firstOrNew(['user_id' => $prediction['user_id'], 'fixture_id' => $prediction['fixture_id']]);
         $pred->home_score = $prediction['home_score'];
         $pred->away_score = $prediction['away_score'];
         if ($pred->valid()) {
             $user = \App\User::find($prediction['user_id']);
             $gameweek = $pred->fixture->gameweek;
             $exists = $user->gameweeks->contains($gameweek->id);
             if (!$exists) {
                 $user->gameweeks()->attach($gameweek->id, ['score' => 0, 'rank' => null, 'boost_id' => null]);
             }
             if (isset($input['boost_id']) and $pred->fixture_id == $input['boost_id']) {
                 $user->gameweeks()->updateExistingPivot($gameweek->id, ['boost_id' => $input['boost_id']], false);
             }
             $pred->save();
         }
     }
     return redirect('/');
 }
 public function compute($id)
 {
     $fixture = Fixture::findOrFail($id);
     $gameweek = $fixture->gameweek;
     if ($fixture->home_score === null or $fixture->away_score === null) {
         return redirect('/admin/gameweek/' . $gameweek->id);
     }
     $allPredictions = Prediction::where('fixture_id', $fixture->id)->get();
     foreach ($allPredictions as $prediction) {
         $prediction->grade = $prediction->grading($fixture);
         $boostId = $prediction->user->gameweeks()->where('gameweek_id', $gameweek->id)->first()->pivot->boost_id;
         if ($boostId == $prediction->fixture->id) {
             $prediction->grade += 6;
         }
         $prediction->save();
     }
     if (!$fixture->isOver()) {
         $fixture->over = true;
         $fixture->save();
     }
     return redirect('/admin/gameweek/' . $gameweek->id);
 }